SELVA MARINE Blue Whale 250 EFI, Service Manual

Page: 4 / 377

GEN
INFO
6P23H11
General information
How to use this manual ................................................................................. 1-1
Manual format............................................................................................ 1-1
Symbol....................................................................................................... 1-2
Abbreviation............................................................................................... 1-3
Safety while working...................................................................................... 1-4
Fire prevention........................................................................................... 1-4
Ventilation.................................................................................................. 1-4
Self-protection ........................................................................................... 1-4
Part, lubricant, and sealant........................................................................ 1-4
Good working practice............................................................................... 1-5
Disassembly and assembly ....................................................................... 1-5
Identification................................................................................................... 1-6
Model......................................................................................................... 1-6
Serial number ............................................................................................ 1-6
Special service tool ....................................................................................... 1-7
Feature and benefit ...................................................................................... 1-14
ECM system ............................................................................................ 1-14
Electronic fuel injection control system.................................................... 1-22
Ignition timing control system .................................................................. 1-25
Knock control system .............................................................................. 1-27
Variable camshaft timing control system ................................................. 1-29
Electronic throttle valve control system ................................................... 1-33
Engine speed control system .................................................................. 1-35
Lower unit ................................................................................................ 1-38
Propeller selection ....................................................................................... 1-39
Propeller size........................................................................................... 1-39
Selection.................................................................................................. 1-39